A3966SLBTR-T Allegro, A3966SLBTR-T Datasheet - Page 3

• Manufacturer Part Number: A3966SLBTR-T
• Manufacturer: Allegro

A3966
ENABLE
PHASE
R T
PHASE ENABLE OUT
X
H
L
X = Irrelevant
1
UVLO
& TSD
1
Typical output saturation voltages showing
C T
H
L
L
RC
TRUTH TABLE
PWM LATCH
Q
OSC
S
R
SUPPLY
Satlington sink-driver operation.
LOGIC
V CC
Off
H
L
1
BLANKING
GATE
A
1
FUNCTIONAL BLOCK DIAGRAM
CURRENT-SENSE
OUT
Off
L
H
COMPARATOR
B
+
–
1
Copyright © 1998, 2003 Allegro MicroSystems, Inc.
Dual Full-Bridge PWM Motor Driver
R 1S
SENSE
1
V BB
SENSE
2.5
1.0
0.5
2.0
1.5
R 2S
0
2
REFERENCE
SINK DRIVER
200
÷4
T
A
CURRENT-SENSE
COMPARATOR
= +25°C
OUTPUT CURRENT IN MILLIAMPERES
+
–
300
2
BLANKING
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
GATE
4
0
0
SUPPLY
2
LOAD
PWM LATCH
500
R
S
Q
2
SOURCE DRIVER
600
UVLO
& TSD
GROUND
Dwg. GP-064-1A
Dwg. FP-036-6
ENABLE 2
7
PHASE 2
0
0
3